发明名称 Self leveling laser plumb assembly
摘要 A self leveling laser plumb assembly having a battery powered laser unit, a laser unit mounting support, and at least three support legs secured to the bottom of a gimbal ring assembly. The top end of the laser unit mounting support removably receives the laser beam unit. The laser unit mounting support vertically aligns itself by gravity. This allows a beam of light from the laser unit to be directed upwardly to a surface where a predetermined spot can be marked.
申请公布号 US5537205(A) 申请公布日期 1996.07.16
申请号 US19940339753 申请日期 1994.11.15
申请人 COSTA, GEORGE J.;WILLIAMS, JEFF J. 发明人 COSTA, GEORGE J.;WILLIAMS, JEFF J.
分类号 G01C15/10;(IPC1-7):G01C9/12 主分类号 G01C15/10
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